/* 轮播广告 */
.summary .col-md-4 {
    text-align: center;
}
.carousel{
    margin-bottom: 60px;
}
#carousel-id .item {
    height: 500px;
    background-color: #000;
}
.carousel .item img{width: 100%;}
/* 响应式布局 */
@media (max-width: 894px){
    #carousel-id .item {height: 300px;}
    #carousel-id .item img{height: 500px;}
}